RU2527623C2 - Flat element conveyor - Google Patents

Flat element conveyor Download PDF

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Publication number
RU2527623C2
RU2527623C2 RU2012151836/11A RU2012151836A RU2527623C2 RU 2527623 C2 RU2527623 C2 RU 2527623C2 RU 2012151836/11 A RU2012151836/11 A RU 2012151836/11A RU 2012151836 A RU2012151836 A RU 2012151836A RU 2527623 C2 RU2527623 C2 RU 2527623C2
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RU
Russia
Prior art keywords
workpiece
station
grinding
linear conveyor
conveyor
Prior art date
Application number
RU2012151836/11A
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Russian (ru)
Other versions
RU2012151836A (en
Inventor
Леопольд Мадер
Александр КРОНШТАЙНЕР
Original Assignee
Инова Лисец Технологицентрум Гмбх
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to AT7442010 priority Critical
Priority to ATA744/2010 priority
Application filed by Инова Лисец Технологицентрум Гмбх filed Critical Инова Лисец Технологицентрум Гмбх
Priority to PCT/AT2011/000135 priority patent/WO2011137467A1/en
Publication of RU2012151836A publication Critical patent/RU2012151836A/en
Application granted granted Critical
Publication of RU2527623C2 publication Critical patent/RU2527623C2/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G49/00Conveying systems characterised by their application for specified purposes not otherwise provided for
    • B65G49/05Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles
    • B65G49/06Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles for fragile sheets, e.g. glass
    • B65G49/063Transporting devices for sheet glass
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G21/00Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors
    • B65G21/20Means incorporated in, or attached to, framework or housings for guiding load-carriers, traction elements or loads supported on moving surfaces
    • B65G21/2045Mechanical means for guiding or retaining the load on the load-carrying surface
    • B65G21/2063Mechanical means for guiding or retaining the load on the load-carrying surface comprising elements not movable in the direction of load-transport
    • B65G21/209Mechanical means for guiding or retaining the load on the load-carrying surface comprising elements not movable in the direction of load-transport for augmenting or creating a pression force between the load and the load-carrying surface

Abstract

FIELD: transport.
SUBSTANCE: device (21) is designed for transfer of glass panels (3) in upright position in the area of grinding sections (9, 13) or washing station (15) of glass panel cutting station. Device incorporates conveyor (23) and opposed beam (25) for water feed to press the blank against conveyor. Runners (28) for transfer of glass panels are arranged under said conveyor and beam.
EFFECT: uniform transfer of glass panels in upright position.
18 cl, 9 dwg

Description

The invention relates to a device for moving flat elements, such as plates, such as panels of (sheet) glass, with signs of a restrictive part of independent clause 1.
There are many devices for moving flat elements, such as glass panels. Known devices that work with rollers and / or conveyor belts or conveyor chains.
A problem of the known moving devices is to provide the necessary power circuit between the element to be moved, such as, for example, a glass panel, and the moving means (rollers, conveyor belts, etc.). Absolutely uniform transportation is necessary, for example, when moving glass panels in grinding installations in which the edges should be ground (trimmed), on the one hand, and in washing plants, welding machines, etc., on the other hand.
From US 2007/0271756 A a device is known for moving flat workpieces (glass panels), which comprises a vertical linear conveyor and track rollers that support the workpiece.
US 4,589,541 A shows a device for moving flat elements in which, in addition to the linear conveyor, which interacts with the lower edge of the transported elements, a towing device with suction heads that interact with the transported elements above the linear conveyor is provided.
From DE 297 01 124 U a transportation device is known in which plate-shaped workpieces are mounted, fixed between an endless conveyor and a clamping device containing a flexible tape.
US 2005/0011229 A shows a device for processing the edges of glass plates with a device for moving them, which contains two pairs of guide heads working with a fluid and located opposite each other. Glass panels are only transported by a linear conveyor that interacts with the bottom edge of the glass panels.
A device for processing glass panels in which glass panels are moved by conveyor rollers cooperating with the lower edge of the glass panels is known from KR 2001-0070234 A.
From JP 2001-151318 A, which is considered to be the closest analogue of the present invention, there is known a device for moving horizontally located flat workpieces, in which a linear conveyor (2, 3) and a duct located opposite it are provided, from which air comes out, through which the workpiece located between the linear conveyor and the beam is pressed against the linear conveyor (2) with a power circuit.
The basis of the invention is the creation of a moving device that provides uniform transportation of vertically or essentially vertically oriented flat elements, such as glass panels.
This problem is solved using a device that has the characteristics of claim 1 of the claims.
Preferred and advantageous embodiments of the invention are the subject of the dependent claims.
Since the device of the invention for moving flat or panel elements (objects), such as glass panels, on the one hand provides a drive (linear) means of movement, such as, for example, a series of conveyor rollers or an (endless) belt conveyor, and the necessary power the closure between the (linear) moving means and the element to be moved is carried out by means of at least one hydraulic cushion provided on the opposite to the moving means st The transport of the element, preferably a pillow of liquid, in particular a water pillow, ensures uniform transport. There is no mechanical contact (i.e., with rollers, conveyor belts, etc.) with the surfaces of the element to be moved opposite the moving means, since only the hydraulic film (water film) acts on the element to be moved on this surface. This is particularly advantageous when glass panels that are coated on one side are to be moved, as, for example, is the case with heat-shielding glass or glass for photovoltaic cells and installations.
The transfer device according to the invention can, for example, be used in grinding installations and / or washing installations or in installations for manufacturing double-glazed windows.
In the framework of the invention, it may be provided that the element to be moved from below is supported by support rollers or other support means. On the back side, the element to be moved, in particular when the plane of movement is essentially vertical, can be supported by a wall, for example a wall from an air cushion, and this wall, as is generally known, can be slightly inclined, for example, by 5 °, relative to the vertical lines.
Within the scope of the invention, the possibility has also been taken into account to provide a movement device according to the invention both in the lower region and in the upper region of the element to be moved. So, when the movement devices proposed by the invention are used, for example, in glass grinding plants, both the lower and upper edges of the glass panels can be processed by grinding at the same time.
Support rollers, which support the element to be moved from below, can be drive or freely moving support rollers (travel rollers).
In particular, the transfer device of the invention justifies itself in connection with machines that are designed to process glass edges for solar cells. So, the edges and corners are machined by grinding wheels, such as circles for profiling along the perimeter, and / or sanding belts (crosswise sanding belts) in one single pass, while, on the one hand, the cycle time of the subsequent quenching unit is ensured and at the same time also sanding quality throughout the life of the grinding wheels and sanding belts remains constant.
The retooling time is many times shorter than with traditional horizontal methods with multi-head grinding systems.
The transportation devices proposed by the invention can also be used in installations for grinding the edge and end surfaces of rectangular glass panels in a fully automated continuous cycle using grinding wheels (around the perimeter) and / or diamond grinding belts. In this case, the glass panels, essentially standing upright, are guided through the installation, while they are only supported on one side (the back side) by means of transportation (rollers or tapes), and pressed against the means of transportation by a hydraulic, in particular a water cushion, from the front side.
In particular, the installation for grinding rectangular glass panels can, for example, consist of two grinders equipped with one tilting apparatus located between them, so that all four edges of rectangular glass panels can be processed in a continuous process.
Using the inventive moving device, the glass panel can be transported in the grinding / trimming unit almost vertically and processed continuously in the grinding unit along the upper and lower edges without direction with a force circuit on the front side, since the circle is pressed during processing hydraulic (in particular, water) cushion to the means of transportation and has good stability during processing in continuous mode.
If the installation for grinding / trimming rectangular glass panels is carried out using grinding wheels and / or grinding belts, which, for example, are located crosswise (see EP 0920954 A), between the grinding stations a canting station can be provided that cantes the glass panels 90 ° when the glass panel exits the first grinding station. In this case, work can be carried out so that the glass panel loaded into the loading station is first oriented by the tilting apparatus so that its longer edges are essentially vertical, so that the shorter edges are first processed (ground and / or trimmed). After exiting the first grinding unit, the glass panel is again edged, so that the longer edges are now oriented horizontally, and work is carried out in the second grinding unit. This reduces the distance to the previous glass panel and there is the possibility of further transportation to the subsequent washing installation with virtually no gaps.
The canting apparatuses provided in the canting station preferably include a cantilever grab equipped with two consoles standing perpendicular to each other, the grabs being able to rotate around an axis standing perpendicular to the plane of movement. Preferably, the cantilever apparatus consoles are equipped with fingers that are mounted to rotate on the cantilever apparatus consoles from a position (active position) that is perpendicular to the plane of movement or, respectively, to the plane defined by the two consoles of the canting apparatus, in a position parallel to the named plane ( readiness position). This embodiment of the canting apparatus equipped with pivoting fingers ensures that the canting apparatus in the canting station, which touch the blanks (glass panels), leaning against the supporting wall, for example, the supporting wall of the air cushion, does not touch their edges only when tilting in the canting stations (front) side opposite the supporting wall, which, for example, is coated or equipped for photovoltaics. For the reverse rotation of the canting machines in the canting stations, the fingers rotate to their original position, so that they are at a distance from the subsequent glass panels, respectively transported through the installation, that is, so that they, for example, when there is no need for the canting process, can simply be transported through canting station.
Other details, features and advantages of the invention are contained in the following description of preferred embodiments of the device of the invention using the drawings.
Shown:
figure 1 - for example, the installation, which includes two grinding stations and one washing station, as well as two tilting apparatus;
figure 2 - schematically grinding station;
figure 3 is another embodiment of a grinding station in front;
figure 4 - grinding station shown in figure 3, from the back;
5 is a detail of the grinding station shown in figure 3 and
four;
6 is a detail of the beam to create a water cushion;
7 is a detail of a beam for creating a water cushion in another embodiment;
Fig. 8 is a tipping station;
Fig.9 - canting station shown in Fig.8, in another form.
The apparatus for manufacturing glass panels with polished / trimmed edges shown in FIG. 1 includes a loading station 1, into which glass panels 3 are loaded into this apparatus, coming from a glass cutting apparatus or a drive. After the loading station 1, a first canting station 5 is provided, provided with a first canting apparatus 7, which orients the glass panels 3 loaded into the installation so that their longer edges are vertically aligned. In the first grinding station 9 provided after it, in a continuous process, the upper and lower horizontal edges of the glass panels 3 are machined, in particular ground and / or trimmed.
After the first grinding station 9, a second canting station 11 is provided, equipped with a second canting apparatus 7, which turns the glass panels 3 90 ° so that the edges of the glass panels 3 that have not yet been processed (longer) are oriented horizontally. After the second canting station 11, a second grinding station 13 is provided, in which the upper and lower edges of the glass panels 3 are now horizontally oriented (longer) and are processed (ground / trimmed). Thereafter, a washing installation 15 is provided in which the finished cropped glass panels 3, which may be coated glass panels 3 and / or solar glass panels 3, are washed.
In grinding stations 9 and 13 and in the washing station 15, devices 21 for transporting glass panels 3 are provided, which are shown in more detail in FIGS. 2 and 5. These moving devices 21 consist of each of a timing gear belt 23 (or sequence of timing belts) and of a beam 25 located opposite it to create a water cushion. Under the system 21 of the toothed belts 23 and the beam 25 for creating a water cushion, there are provided rollers 28 (drive if necessary) on which the glass panel 3 to be transported (to be moved) is mounted.
Devices 21 of toothed belts 23 (as a linear means of movement) and beams 25 for creating a water cushion (beams for creating a hydraulic cushion) are located on the lower and upper edge 2, 4 of the glass panel 3 so that it protrudes upward with its upper edge 2, and with its bottom edge 4 down. Thus, a processing action is possible by means of grinding wheels 27 and grinding belts 29 (FIG. 5).
In this case, the upper device 21 from the beam 25 for creating a water cushion and the belt drive 23 can be rearranged in height, as is shown, in particular, in FIGS. 3 and 4.
A first possible embodiment of a beam 25 for creating a water cushion (device for pressing the glass panel 3 to the linear displacement device 23), which can also work with gaseous fluid, is shown in FIG. 6. In this embodiment, the fluid (gas or, in particular, water) is forced through two narrow gaps 51 in the space 53 between the glass panel 3 and the beam 25 to create a water cushion so that, according to the Bernoulli principle, as indicated by the arrows in FIG. 6 , the glass panel 3, without touching the beam 25 to create a water cushion, was held at a constant distance from it and was pressed against the conveyor belts 23 of the linear conveyor.
Another embodiment of a beam 25 for creating a hydraulic or water cushion is shown in FIG. 7. Here, a fluid (gas or, in particular, a liquid, such as water) is squeezed from two slotted openings 55 into a space 53 between the beam 25 to create a water cushion and a glass panel 3. At the same time, the outlet openings 55 through which the fluid (water) exits ), are inclined so that they are installed obliquely to each other, so that in the area between the output nozzles 55 (these nozzles are, for example, slotted nozzles), an increased pressure arises which reliably presses the glass panel 3, which is the preform, against the belt ache 23 so as to achieve the required closure force to reliably transport the preform (the glass panel 3).
As in the embodiment shown in FIG. 6 and in FIG. 7, it is possible to make a beam 25 to create a water cushion with the cross-sectional shape shown in FIGS. 6 and 7 along the entire length or be composed of several sections, it being taken into account that in each case round elements are provided so that the output nozzles 51 and 53 are annular nozzles. Regardless, elongated elements are preferred for beam 25 to create a water pad with slotted nozzles (51, 53).
Using the beam 25 to create a water cushion, the glass panels 3 are pressed against linear movement means 23, for example endless toothed belts, or a series of endless belts, or a series of drive rollers, so that the necessary force closure is provided, and the glass panel 3 can be processed even during processing with grinding wheels 27 and / or edged belts 29 (diamond belts, see FIG. 5), which, for example, are oriented crosswise.
It is hereby provided that the endless belts 23 of the linear displacement means of the inventive displacement device are supported substantially along their entire length from the inside, that is, from the side opposite to the glass panel 3, so that in all areas the necessary power short circuit is provided between the glass panel 3 to be moved and means 23 linear movement.
The lower and / or upper beam 25 for creating an air cushion can be mounted with the possibility of movement in the car frame perpendicular to the plane of movement (plane of the glass panel 3). In this way, the pressure with which the glass panel 3 is pressed by means of a hydraulic (water) pad between the beam 25 and the glass panel 3 against the linear displacement means 23 (for example, toothed belt) can be varied to select a pressure consistent with the strength (thickness) of the glass panel 3 In this case, it is preferable that the force that acts on the beam or beams 25 to create a water cushion in the direction of the glass panel 3 is detected by sensors ("force sensors"). These sensors can be functionally connected to the drive permutation (interchangeable) beams 25 to create a water cushion.
When performing grinding stations 9/13, as shown in FIGS. 3 and 5, it is possible to use either only grinding heads 21, or only grinding belts 29, or both grinding heads 27, and grinding belts 29, while the grinding belts 29 in particular, they serve to eliminate (microscopic) shells at the edges of glass panels 3 by trimming.
Due to the fact that in accordance with the invention, work is carried out with the beam 25 to create a (hydraulic) water cushion, not only is the damping effect on the processed glass panel 3, that is, vibrations in the glass panel 3 are suppressed, but also a higher transmission of forces is ensured. In addition, cooling of the glass panel 3 during processing by grinding and / or cutting is provided, and at the same time, cleaning is achieved by draining water, while grinding waste is washed off with water leaving the beam 25 to create a water cushion.
The details of the tilting device (tilting apparatus 7) are explained below using FIGS. 8 and 9.
The canting apparatuses provided in the tilting stations 7 consist, as shown in FIGS. 8 and 9, of two consoles 31, which are located at right angles to each other. To increase stability, consoles 31 can be connected to each other by a connecting beam 33. To rotate the tilting apparatus 7 around an axis that is perpendicular to the plane of movement of the glass panels 3, which is in the region of the lower horizontal conveyor 35, which in the shown example is a sequence of conveyor rollers driven in rotational motion, a drive 37 is provided. With a drive 37, the tilting apparatus 7 can be rotated 90 ° to tilt the glass panels 3.
Each of the two consoles 31 of the tilting apparatus 7 is equipped with a row of fingers 39 (Fig. 9). The fingers 39 on the consoles 31 are rotatable about an axis parallel to the longitudinal extent of the console 31, so that they are from the active position shown in Fig. 9, in which they stand perpendicular to the plane of movement or, respectively, to the plane of the support stack 41 (in the shown embodiment this wall is a wall of an air cushion), rotate in a position parallel to the plane of movement (= plane of the supporting wall 41).
When the glass panel 3 is rotated, the fingers 39 turned to their active position (perpendicular to the supporting wall 41) grab the glass panel 3 to be tilted over the edges, so that it is caught sliding on the air cushion of the supporting wall 41, only beyond its edges, i.e., touching surface turned away from the supporting wall 41 does not occur. This ensures gentle tipping, while scratching or damage to the front side of the glass panel 3 or the correspondingly applied coating (photovoltaic cells) is excluded.
The drive of the rollers 35 of the linear conveyor at the lower edge of the support wall 41 can be carried out by means of a drive not shown.
In summary, one of the embodiments of the invention can be described as follows.
The linear conveyor 21 for transporting the glass panels 3 in the area of the grinding stations 9, 13 or the washing station 15 of the apparatus for manufacturing the cutting of glass panels has a linear conveyor 23, for example a timing belt, and a beam 25 located opposite it, from which a fluid, in particular water. With the help of the water leaving the beam 25, the glass panel 3 is pressed against the linear conveyor 23 with a power short circuit and reliably moves. Such linear conveyors 21 can be located on the upper or lower edge of the glass panel 3, for example, to cut it with at least one grinding wheel 27. Similar linear conveyors 21 can also be provided in the washing station 5, 11. To rotate the glass panels 3 by 90 °, so that first their two upper and lower edges can be processed, and then initially the vertical edges, canting stations 5, 11 are provided, which have canting grabs 7, on which pivot fingers 39 are provided, adj gayuschie to rotate the glass panels 3 only to their side edges.

Claims (18)

1. Device (21) for moving flat workpieces, in particular glass panels (3), in which a linear conveyor (23) and a beam (25) located opposite it are provided, from which a fluid comes out, which presses the workpiece (3) ), located between the linear conveyor (23) and the beam (25), to the linear conveyor (23), characterized in that when the workpieces are transported standing (3), the linear conveyor (23) and the beam (25) are located in the region of the upper edge ( 2), and in the region of the lower edge (4) of the workpiece (3), while under the lower line A conveyor (23) and a beam (25) provide a support for the workpiece (3) being transported while standing, in particular a series of travel rollers (28), the fluid being a liquid, such as water.
2. The device according to claim 1, characterized in that the upper edge (2) and the lower edge (4) of the workpiece are protruded beyond the linear conveyor (23) and the beam (25), while for each of the free edges (2 and 4 ) the workpiece (3) provides at least one tool (27, 29).
3. The device according to claim 1, characterized in that the running rollers (28) are made freely moving.
4. The device according to claim 1, characterized in that the travel rollers (28) are driven.
5. The device according to claim 1, characterized in that it is possible to change the distance between the lower linear conveyor (23) and the upper linear conveyor (23), in particular due to the fact that the upper linear conveyor (23) is arranged to swap into the plane in which the workpiece (3) moves.
6. The device according to claim 1, characterized in that the beam (25) has at least two slots (51, 55) located at a distance from each other to exit the fluid, in particular water.
7. The device according to claim 6, characterized in that the slots (51) diverge in the direction of the free side of the beam (25) located opposite the workpiece (3).
8. The device according to claim 6, characterized in that the slots (55) converge in the direction of the free side of the beam (25) located opposite the workpiece (3).
9. The device according to claim 1, characterized in that the beam (25) consists of several sections.
10. The device according to claim 8, characterized in that the beam (25) consists of several circular elements, while the nozzles (51, 55) are annular nozzles.
11. The device according to claim 1, characterized in that the beam (25) is arranged to rearrange across the plane of movement of the workpiece (3).
12. The device according to claim 11, characterized in that at least one drive for rearranging the beam (25) is provided.
13. The device according to claim 11, characterized in that at least one sensor is provided that records the force with which the beam (25) acts on the workpiece (3).
14. The device according to item 13, wherein the sensor is functionally connected to the drive.
15. Installation for processing cutting of glass panels, characterized in that in the area of at least one grinding station (9, 13) and one washing station (15), devices (21) are provided according to one or more of claims 1 to 14.
16. Installation according to claim 15, characterized in that there are two grinding stations (9, 13), in which the upper and lower edges (2, 4) of the workpiece (3) are processed, moreover, a tilting station is provided in front of the first grinding station (9) station (5) equipped with a tilting apparatus (7), and after the first grinding station (9) and before the second grinding station (13), an additional tilting station (11) equipped with a tilting device (7).
17. Installation according to claim 16, characterized in that the canting apparatus (7) has two consoles (31), on which pivoting fingers (39) are provided for gripping the edges of the glass (3).
18. Installation according to claim 17, characterized in that the fingers (39) on the consoles (31) are rotatable around an axis parallel to the longitudinal extension of the consoles (31), so that they are from the position of use in which they are located essentially perpendicular to the plane of movement, can be rotated to its original position in which they are oriented in the direction of movement.
RU2012151836/11A 2010-05-03 2011-03-17 Flat element conveyor RU2527623C2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT7442010 2010-05-03
ATA744/2010 2010-05-03
PCT/AT2011/000135 WO2011137467A1 (en) 2010-05-03 2011-03-17 Device for conveying plate-shaped elements

Publications (2)

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RU2012151836A RU2012151836A (en) 2014-06-20
RU2527623C2 true RU2527623C2 (en) 2014-09-10

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US (1) US9004262B2 (en)
EP (1) EP2566796B1 (en)
JP (1) JP2013528544A (en)
CN (1) CN102883978B (en)
AT (1) AT12085U1 (en)
RU (1) RU2527623C2 (en)
WO (1) WO2011137467A1 (en)

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RU2250202C1 (en) * 2002-12-05 2005-04-20 Петер ЛИЗЕЦ Device for machining slabs made out of a material such as glass sheets
EP2042454A1 (en) * 2007-09-28 2009-04-01 Officine Meccaniche Vismara di Mauro Vismara Sheet processing apparatus

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RU2012151836A (en) 2014-06-20
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US20130040541A1 (en) 2013-02-14
CN102883978B (en) 2015-05-06
JP2013528544A (en) 2013-07-11
EP2566796A1 (en) 2013-03-13
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AT12085U1 (en) 2011-10-15
EP2566796B1 (en) 2015-05-13

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